Explanation:
Wastewater can contain physical, chemical and biological pollutants. Households may produce wastewater from flush toilets, sinks, dishwashers, washing machines, bath tubs, and showers. ... After treatment at a wastewater treatment plant, treated wastewater (also called effluent) is discharged to a receiving water body.
The answer is A :) Hope I helped <3
Trees serve as a natural force to prevent erosion and hold soil together during rainfall and other periods of weather that might impact the integrity of the soil. However, trees were cut down to build a new shopping center there could be an increased flow of water to a river and also lead to great soil erosion nearby thus increasing the amount of sediment being deposited into the river. Also this new shopping mall could increase the pollutants in a river as well.